requires WWW::Form::UrlEncoded 0.19 and fixed test. WWW::Form::UrlEncoded < 0.19 has a bug that PP::build_urlencode (not utf8) does upgrade utf8. "\xE5" should be "%E5" with build_url
Merge pull request #5 from kazeburo/master

requires WWW::Form::UrlEncoded 0.19 and fixed test